Sao Paolo, Brazil (CNN) -- Brazilian police have arrested three people suspected of killing at least two women, eating parts of their bodies and using their remains to make stuffed meat pies sold in the northeastern town of Garanhuns.

The three suspects, 51-year-old Jorge Beltrao Negroponte, his wife and his mistress were arrested Wednesday and have confessed to the crimes, police told national television. The female suspects were not identified.

Interviewed behind bars, Negroponte told SBT Television that he followed the instructions of voices in his head.

"I did certain things for purification, to protect people and deliver them to God," he told SBT on Sunday.